Armband for iPhone 4S Bundled with EX3 Armband Extender (fits iPhone 4, iPhone 4S, iPhone 3G / 3GS) This bundle includes two items (1) Tune Belt Sport Armband for iPhone 4S, model # AB82 and (2) Tune Belt Armband Extender, model # EX3 Armband fits iPhone 4, iPhone 4S, iPhone 3G, iPhone 3GS and other smartphones up to 4.5 in length (see Product Description). Does not fit iPhone 5. Armband Extender increases maximum armband size up to 23 Armband has a cord flap to securely store and manage the earphone cord Armband has clear, protective window cover with full navigational control